651317013023 has 12 divisors (see below), whose sum is σ = 680987979000. Its totient is φ = 622887607056.

The previous prime is 651317013019. The next prime is 651317013043. The reversal of 651317013023 is 320310713156.

It is not a de Polignac number, because 651317013023 - 2² = 651317013019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651317013043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2934140 + ... + 3148302.

It is an arithmetic number, because the mean of its divisors is an integer number (56748998250).

Almost surely, 2^651317013023 is an apocalyptic number.

651317013023 is a deficient number, since it is larger than the sum of its proper divisors (29670965977).

651317013023 is a wasteful number, since it uses less digits than its factorization.

651317013023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219958 (or 219935 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

Adding to 651317013023 its reverse (320310713156), we get a palindrome (971627726179).

The spelling of 651317013023 in words is "six hundred fifty-one billion, three hundred seventeen million, thirteen thousand, twenty-three".